/* =========================================
   UI CARDS FRAMEWORK
   ========================================= */

.card {
    display: flex;
    flex-direction: column;
    background-color: var(--color-text-on-dark);
    border-radius: var(--card-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    position: relative;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--card-padding);
    padding-bottom: calc(var(--card-padding) / 2);
    border-bottom: 1px solid var(--color-disabled);
}

.card-title {
    font-family: var(--font-default);
    font-size: 1.25em;
    font-weight: 600;
    color: var(--color-text-dark);
    margin: 0;
}

.card-subtitle {
    font-family: var(--font-ui);
    font-size: 0.85em;
    color: var(--color-text-muted);
    margin-top: 4px;
    display: block;
}

.card-body {
    flex-grow: 1;
    padding: var(--card-padding);
    color: var(--color-text-dark);
    font-family: var(--font-ui);
    line-height: 1.5;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    padding: var(--card-padding);
    padding-top: calc(var(--card-padding) / 2);
    background-color: var(--color-bg-light);
    border-top: 1px solid var(--color-disabled);
}

/* Modifier - Flat (Sem Sombra, Com Borda) */
.card-flat {
    box-shadow: none;
    border: 1px solid var(--color-disabled);
}
.card-flat:hover {
    box-shadow: none;
}

/* Modifier - Destacado (Cores Temáticas) */
.card-primary {
    border-top: 4px solid var(--main-color);
}
.card-secondary {
    border-top: 4px solid var(--secondary-color);
}
.card-success {
    border-top: 4px solid var(--color-success);
}
.card-warning {
    border-top: 4px solid var(--color-warning);
}
.card-danger {
    border-top: 4px solid var(--color-danger);
}

/* Imagens no Card */
.card-img-top {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-top-left-radius: var(--card-radius);
    border-top-right-radius: var(--card-radius);
}

/* Responsive Cards Grid Layout Helper */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}